The Buy Is the First Inventory Decision

NADA Data 2025 answers a question most stores never ask out loud: where does the used inventory actually come from? Trade-ins on new-vehicle deals supplied 45.4 percent of the used vehicles franchised dealers retailed in 2025, and trade-ins on used deals supplied another 23.6 percent. Auctions supplied 21.9 percent and street purchases 9.1 percent. Put the two trade lines together and 69 percent of a franchised store's used inventory is acquired by the desk, in the middle of another deal, under time pressure, by a manager whose first job at that moment is to sell a different car.

That is the inventory decision. The buyer at the auction lane has a plan, a budget and a reason to be there. The desk manager has a customer in the showroom, a salesperson waiting, and a trade that has to be worth enough to make the new-car deal work. Appraisal discipline is not a used-car department problem. It is the single largest lever on used gross a store controls, and the used-car director owns it, even when the number is set by someone else.

An appraisal often ends with a value. The market supports this amount. The book supports another. Comparable listings create a range. The desk decides what it can allow and what it needs to do to make the deal. That value matters, but it is only the first line of the inventory plan. The store is not buying an abstract market asset. It is accepting a specific vehicle into a specific operating system, with its own recon capacity, merchandising standards, customer base, pricing posture and tolerance for age. The better acquisition question is not simply what the vehicle is worth. It is what can our store do with this vehicle, what must go right, and how much room do we have if the plan changes?

Start with the retail case

Before setting the acquisition amount, the manager should be able to describe the likely retail case. That does not require a confident forecast. It requires an evidence-based view of fit.

Useful evidence includes the store's history with similar vehicles, current local supply, recent sales pace, customer interest by price band, likely gross range, and the performance of comparable listings. Market days supply (MDS), which vAuto defines as the identically equipped vehicles for sale in the market divided by their average daily retail sales rate over the past 45 days, can help frame scarcity. It should not conceal a weak comparison set or a model the store has rarely retailed.

The retail case should also acknowledge what is unknown. A condition report may leave questions about tires, electronics, paintwork or prior repairs. Those uncertainties belong in the appraisal, because the store will own them after the trade is booked.

Build backward from the front line

Acquisition discipline becomes clearer when the team works backward from a retail-ready unit.

• Recon. What work is likely, what is the reasonable range, and does the shop have the capacity and skill to complete it promptly?
• Merchandising. What condition story, photos, equipment details and disclosures will the listing need to compete honestly?
• Pricing. Where can the vehicle enter the market, and how much room remains between expected all-in cost and the likely retail range?
• Demand. Which customer and price band does the unit serve, and what evidence shows that demand exists here?
• Exit. At what point will the store reconsider the plan, and which wholesale, transfer or trade options are realistic?

This sequence exposes costs that a market value alone cannot. With the Haig Report putting average used gross per unit at $1,634 in the second quarter of 2026, a vehicle purchased at an apparently favorable number becomes expensive the moment it waits two weeks for recon, launches with incomplete merchandising, or needs an early price reduction with no gross cushion. There is not enough gross in the average unit to absorb more than one of those mistakes.

Time to line is part of the buy

Days on lot (DOL) is usually counted from acquisition, not from the day the vehicle becomes retail ready. Every day spent waiting for inspection, approval, parts or photos consumes part of the holding period before a shopper has a fair chance to see the unit.

That makes expected time to line an appraisal input. If the shop is constrained or the required part has an uncertain arrival, the acquisition plan should reflect the delay. The right response may be a lower allowance, an alternate recon path, a different rooftop, or a decision not to retail the vehicle.

The same principle applies after recon. Price-to-market (P2M), the relationship between the asking price and a market reference, should be considered alongside the all-in cost and the strength of the comparison set. If the expected P2M requires a perfect recon outcome and no market movement to preserve gross, the plan has little room for error.

Make the over-allowance a recorded decision

The desk will stretch. It should; that is what the desk is for. A trade allowance often serves more than one objective: the new-car deal, a customer relationship, a known buyer for the trade. The discipline is not to forbid the stretch but to record the reason at the moment it happens, in two or three words, from a short list the store agrees on.

The weekly review in the figure above shows why. Four over-allowances at a fictional store, four different reasons, four different outcomes. The $2,000 stretch to close a strong new deal retailed at $610 of used gross; the store made its money on the other side of the transaction, and the record says so. The $500 stretch for a known wholesale buyer did exactly what the desk said it would. The $2,400 stretch on a pickup because the customer walked last month is still in stock after two price cuts; that is the reason to review. And the trade with no reason recorded lost $420. A manager-ready acquisition view should assemble the comparable vehicles, store history, likely recon range, expected time to line, retail price range, gross sensitivity, demand confidence and exit alternatives, and then ask for the reason. The appraiser records the decision and the assumptions that mattered.

Close the loop after the sale or exit

Acquisition learning should not end when the appraisal is approved. Compare predicted recon with actual recon. Review expected time to line against actual time. See whether the initial merchandising and pricing plan was executed. Record the final gross, DOL and exit channel.

One vehicle cannot grade an appraiser or define a process. Repeated gaps are what matter. Perhaps recon is consistently underestimated for a model family. Perhaps a rooftop buys a price band it struggles to merchandise. Perhaps strong trade decisions are being weakened by slow follow-through. Perhaps the over-allowances with no reason recorded are the ones that keep losing money, which is the most common finding and the easiest to fix.

When acquisition, recon, merchandising, pricing and exit live in one decision trail, the store can improve the system rather than debate the last number in isolation. The first inventory decision becomes a complete plan, with evidence, ownership and room for management judgment.

Questions for the next acquisition review

• Can the team state the retail case and likely customer before approving the acquisition amount?
• Which appraisal assumptions most often break between the buy and the front line, and does every over-allowance carry a recorded reason?
• Does every acquisition have an exit trigger, or only an age policy applied after the risk is already owned?